AGPtEK D1 Safety Android Mobile Phone Smart Phone for Kids Children|Parental Control Mode| GPS+LBS+WiFi | 4" Screen, Color Blue Parental Control Kids OS. Allowed apps for allowed time, design a personal and educational learning & playing plan for your children! Safety protection from outer access. Allowed calls only, block unknown numbers. Safe internet access control for allowed websites only. Multi-tracking technology, GPS+LBS+WiFi. Help you to locate your kids easily with your phone. Android4.4 OS &4" & IPS screen resolution. It supports various formats of music and video, bringing great enjoyment to your children. Note: This product can't work with Verizon & Sprint. Supported 2G:GSM 850/900/1800/1900, 3G: WCDMA 2100/1900/850